Stereoselective synthesis of (6S)-5,6-dihydro-6-[(2R)-2-hydroxy-6-phenylhexyl]-2H-pyran-2-one
作者:Palakodety Radha Krishna、Ravula Srinivas
DOI:10.1016/j.tetasy.2007.08.020
日期:2007.9
A stereoselective synthesis of (6S)-5,6-dihydro-6-[(2R)-2-hydroxy-6-phenylhexyl]-2H-pyran-2-one is reported. The strategy utilizes an olefin cross-metathesis, syn-benzylidene acetal formation and a preferential (Z)-Wittig olefination reaction and lactonization as the key steps.
报道了(6 S)-5,6-二氢-6-[(2 R)-2-羟基-6-苯基己基] -2 H-吡喃-2-酮的立体选择性合成。该策略利用烯烃的交叉复分解,顺-亚苄基乙缩醛的形成以及优先的(Z)-Wittig烯化反应和内酯化作为关键步骤。